Finite Group Databasebeta

D791 #13096834

order1582
isoclinismisoclinic class of D791
automorphismAut(G) order 531552
homologyAbelianization (H1) = C2 · Schur multiplier (H2) = C1

Aliases

dihedralD791
unambiguous semidirect productC7⋊D113
unambiguous semidirect productC113⋊D7

Splittings

Fitting, socle, derived, HallC7×C113 ⋊ C2
SylowC113 ⋊ D7
SylowC7 ⋊ D113

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C113C2
LCSG ▷ C7×C113
UCSC1

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 120
transitive degreeμt(G) = 791

A minimal faithful permutation representation — 2 generators on 120 points:

(1,2,3,4,5,6,7)(8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120);(2,7)(3,6)(4,5)(9,120)(10,119)(11,118)(12,117)(13,116)(14,115)(15,114)(16,113)(17,112)(18,111)(19,110)(20,109)(21,108)(22,107)(23,106)(24,105)(25,104)(26,103)(27,102)(28,101)(29,100)(30,99)(31,98)(32,97)(33,96)(34,95)(35,94)(36,93)(37,92)(38,91)(39,90)(40,89)(41,88)(42,87)(43,86)(44,85)(45,84)(46,83)(47,82)(48,81)(49,80)(50,79)(51,78)(52,77)(53,76)(54,75)(55,74)(56,73)(57,72)(58,71)(59,70)(60,69)(61,68)(62,67)(63,66)(64,65)

Polycyclic presentation:

2,7,113|b^a=b^6,c^a=c^112

Conjugacy classes & character table

397 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×D113, C2×D791, C3×D791, …
maximal normal subgroup ofD7×D113, C2×D791, C3×D791, …
maximal quotient ofDic791, C2×D791, C3×D791, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1582, 5);